menstrual cycle. changes in ovary: from developing follicle to ovulation and corpus luteum

anatomy background biology cell change chart contraception corpus cycle diagram education egg embryology estrogen fallopian female fertility fertilization follicle follicular gynecology health hormone human illustration isolated luteal luteum maturation mature medical medicine menstrual menstruation oocyte organ ovarian ovary ovulation ovum phase pregnancy reproduction reproductive science system uterus vector white woman